Das, B.C <br/><br/>
Higher Tiigonometry 
by B.C. Das & B.N. Mukherjee 
 - 32nd 
 - Kolkata  U.N. Dhur & Sons Pvt Ltd  201`2 
 - xviii, 312p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>516.24  / DAS